2605231 has 2 divisors, whose sum is σ = 2605232. Its totient is φ = 2605230.

The previous prime is 2605201. The next prime is 2605237. The reversal of 2605231 is 1325062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2605231 - 2⁷ = 2605103 is a prime.

It is a super-2 number, since 2×2605231² = 13574457126722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2605199 and 2605208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2605237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302615 + 1302616.

It is an arithmetic number, because the mean of its divisors is an integer number (1302616).

2^2605231 is an apocalyptic number.

2605231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2605231 is an equidigital number, since it uses as much as digits as its factorization.

2605231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 2605231 is about 1614.0727988539. The cubic root of 2605231 is about 137.5990426910.

The spelling of 2605231 in words is "two million, six hundred five thousand, two hundred thirty-one".